中原油田CO_(2)吞吐技术及增产应用  

CO_(2) huff and puff technology and oil increase application inZhongyuan oilfield

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作  者:刘琼 LIU Qiong(Petroleum Engineering Technology Research Institute of Sinopec Zhongyuan Oilfield Branch,Puyang 457000,China)

机构地区:[1]中石化中原油田分公司石油工程技术研究院,河南濮阳457000

出  处:《精细石油化工进展》2024年第5期32-35,共4页Advances in Fine Petrochemicals

摘  要:中原油田部分油藏分布零散、储量小、注水困难或属稠油,而具备这些特点的油藏恰好适用于进行CO_(2)吞吐。基于中原油田CO_(2)吞吐实践,本文介绍了筛选适合CO_(2)吞吐的油藏的方法,探索了CO_(2)吞吐选井机制并总结出选井原则,确立了CO_(2)吞吐选井方法。此外,围绕4种不同特性的油藏开展了CO_(2)吞吐试验,分别实现增油348.13(t 260 d)、172.0(t 240 d)、20(t 45 d)和108(t 120 d)。本研究为通过CO_(2)吞吐提高原油采收率、开拓未来CO_(2)吞吐实施应用前景提供了有效依据。The reservoirs in Zhongyuan oilfield are scattered,with small reserves,difficult water flooding or belong to heavy oil,and reservoirs with these characteristics are suitable for CO_(2)huff and puff.Based on the CO_(2)huff and puff practice in Zhongyuan oilfield,this paper introduced how to screen reservoirs suitable for CO_(2)huff and puff,explored the CO_(2)huff and puff well selection mechanism,summarized the well selection principles,and established the CO_(2)huff and puff well selection method.In addition,we carried out CO_(2)huff and puff tests around four different reservoirs,achieving oil increases of 348.13 t(260 d),172.0 t(240 d),20 t(45 d),and 108 t(120 d),respectively.Our research provides an effective basis for enhanci oil recovery and future CO_(2)huff and puff applications.

关 键 词:中原油田 CO_(2)吞吐选井 提高采收率 CO_(2)驱油 

分 类 号:TE357.7[石油与天然气工程—油气田开发工程]

 

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